/*!	 synfig/rendering/software/surfacememoryreadwrapper.cpp
**	 SurfaceMemoryReadWrapper
**
**	......... ... 2015 Ivan Mahonin
**
**	This package is free software; you can redistribute it and/or
**	modify it under the terms of the GNU General Public License as
**	published by the Free Software Foundation; either version 2 of
**	the License, or (at your option) any later version.
**
**	This package is distributed in the hope that it will be useful,
**	but WITHOUT ANY WARRANTY; without even the implied warranty of
**	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
**	General Public License for more details.
**
*/

#ifdef USING_PCH
#	include "pch.h"
#else
#ifdef HAVE_CONFIG_H
#	include <config.h>
#endif

#ifndef _WIN32
#include <unistd.h>
#include <sys/types.h>
#include <signal.h>
#endif

#include <cstring>

#include "surfacememoryreadwrapper.h"

#endif

using namespace synfig;
using namespace rendering;

bool
SurfaceMemoryReadWrapper::create_vfunc()
{
    return false;
}

bool
SurfaceMemoryReadWrapper::assign_vfunc(const Surface & /* surface */)
{
    return false;
}

void
SurfaceMemoryReadWrapper::destroy_vfunc()
{
    buffer = NULL;
}

bool
SurfaceMemoryReadWrapper::get_pixels_vfunc(Color *buffer) const
{
    memcpy(buffer, this->buffer, get_buffer_size());
    return true;
}

void
SurfaceMemoryReadWrapper::set_buffer(const Color *buffer)
{
    if (!empty() && this->buffer != buffer) {
        unset_alternative();
        this->buffer = buffer;
        mark_as_created(this->buffer);
    }
}